 “History in the News: Ensuring the Safety of Millions.” Runs indefinitely.

 “Disability Rights Movement.” The pen the first President Bush used to sign the Americans With Disabilities Act in 1990, one of the first ultralight wheelchairs and other objects from the history of the movement in America. Runs indefinitely.

 “Communities in a Changing Nation: The Promise of 19th Century America.” Objects and photographs depicting 19th-century factory workers in Bridgeport, Conn., Jewish immigrants in Cincinnati and blacks in the South Carolina Low Country region around Charleston. On permanent display.